nucleo

nucleus

noun NOO-kleh-oh Less Common

Origin: Latin nucleus (kernel, nut)

Also means

core

Usage Note

Nucleo covers the nucleus of an atom, the core of a group, and is widely used in Italian social policy: nucleo familiare (family unit) is the official term used in tax and welfare forms to describe a household. The plural is nuclei.

Examples

"Il nucleo familiare è composto da tre persone."

Natural Translation

The family unit consists of three people.

Related Words

Explore Italian by topic

ItalianNow

Italian Numbers 1 to 100: Count Like a Local

Learn Italian numbers 1 to 100 by mastering 0-20, the tens, and 3 spelling rules so you can generate any number from ventuno to novantanove on demand.

June 5, 2026 5 min read

ItalianNow

C'è vs Ci Sono: There Is/Are in Italian

C'è for one thing, ci sono for many — that's the rule. Master Italian's there is/there are with c'era, ci sarà, è vs c'è, and non c'è nessuno.

June 9, 2026 5 min read

ItalianNow

Buongiorno, Ciao or Salve? Italian Greetings Made Easy

When in doubt, say salve and mirror the reply. Here's how to pick between buongiorno, buonasera, ciao and salve so your Italian greetings never sound rude.

June 5, 2026 5 min read

ItalianNow

Avere Fame: Why Italians "Have" Hunger, Not "Are"

In Italian you say Ho fame (I have hunger), never sono fame. Learn the avere + noun rule for fame, freddo, paura, age, and the sono caldo trap to avoid.

June 5, 2026 5 min read